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COGSCI
2010
103views more  COGSCI 2010»
15 years 4 months ago
From Perceptual Categories to Concepts: What Develops?
People are remarkably smart: They use language, possess complex motor skills, make nontrivial inferences, develop and use scientific theories, make laws, and adapt to complex dyna...
Vladimir M. Sloutsky
CORR
2008
Springer
114views Education» more  CORR 2008»
15 years 3 months ago
Bits through ARQs
We study a problem motivated by cognitive radio in which the primary is a packet system that employs ARQ feedback. A secondary system is allowed to transmit in the same frequency b...
Krishnan Eswaran, Michael Gastpar, Kannan Ramchand...
118
Voted
CORR
2008
Springer
127views Education» more  CORR 2008»
15 years 3 months ago
Achieving Near-Capacity at Low SNR on a Multiple-Antenna Multiple-User Channel
We analyze the sensitivity of the capacity of a multi-antenna multi-user system to the number of users being served. We show analytically that, for a given desired sum-rate, the e...
Chau Yuen, Bertrand M. Hochwald
112
Voted
CORR
2008
Springer
77views Education» more  CORR 2008»
15 years 3 months ago
Energy-efficient Scheduling of Delay Constrained Traffic over Fading Channels
Abstract--A delay-constrained scheduling problem for pointto-point communication is considered: a packet of B bits must be transmitted by a hard deadline of T slots over a timevary...
Juyul Lee, Nihar Jindal
FCSC
2008
88views more  FCSC 2008»
15 years 3 months ago
Fraction-free matrix factors: new forms for LU and QR factors
Gaussian elimination and LU factoring have been greatly studied from the algorithmic point of view, but much less from the point view of the best output format. In this paper, we g...
Wenqin Zhou, David J. Jeffrey